/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     |
    \\  /    A nd           | Copyright (C) 2019-2021
     \\/     M anipulation  | Synthetik Applied Technologies
-------------------------------------------------------------------------------
License
    This file is derivative work of OpenFOAM.

    OpenFOAM is free software: you can redistribute it and/or modify it
    under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    for more details.

    You should have received a copy of the GNU General Public License
    along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.

\*---------------------------------------------------------------------------*/

#include "timeIntegrator.H"

// * * * * * * * * * * * * * * * * Selector  * * * * * * * * * * * * * * * * //

Foam::autoPtr<Foam::timeIntegrator> Foam::timeIntegrator::New
(
    const fvMesh& mesh
)
{
    ITstream is
    (
        mesh.schemesDict().subDict("ddtSchemes").lookup("timeIntegrator")
    );
    word timeIntegratorType(is);
    label nSteps = 0;
    if (!is.eof())
    {
        nSteps = readLabel(is);
    }

    Info<< "Selecting timeIntegrator: " << timeIntegratorType << endl;

    dictionaryConstructorTable::iterator cstrIter =
        dictionaryConstructorTablePtr_->find(timeIntegratorType);

    if (cstrIter == dictionaryConstructorTablePtr_->end())
    {
        FatalErrorInFunction
            << "Unknown timeIntegrator type "
            << timeIntegratorType << endl << endl
            << "Valid timeIntegrator types are : " << endl
            << dictionaryConstructorTablePtr_->sortedToc()
            << exit(FatalError);
    }

    return cstrIter()(mesh, nSteps);
}


Foam::timeIntegrator& Foam::timeIntegrator::NewRef
(
    const fvMesh& mesh
)
{
    if (mesh.foundObject<timeIntegrator>(timeIntegrator::typeName))
    {
        return mesh.lookupObjectRef<timeIntegrator>(timeIntegrator::typeName);
    }

    autoPtr<timeIntegrator> integrator(timeIntegrator::New(mesh));
    return integrator->regIOobject::store(integrator.ptr());
}

// ************************************************************************* //
